Detection clamping plate for measuring groove diameter of bolt

Abstract

The utility model discloses a detection clamping plate for measuring the groove diameter of a bolt, which comprises a mounting plate, a fixed arc-shaped clamping plate is fixedly welded at the position, close to the bottom end, of one side wall of the mounting plate, a movable arc-shaped clamping plate is arranged above the fixed arc-shaped clamping plate, and a movable arc-shaped clamping plate is arranged above the movable arc-shaped clamping plate. Threads are arranged on the opposite side walls of the fixed arc-shaped clamping plate and the movable arc-shaped clamping plate, a bolt body needing to be measured is arranged between the fixed arc-shaped clamping plate and the movable arc-shaped clamping plate, a through groove is formed in the mounting plate, a sliding rod is fixedly bonded in the through groove, a movable block is slidably connected to the sliding rod, and the movable block is connected with the fixed arc-shaped clamping plate. The movable block is fixedly welded to the movable arc-shaped clamping plate, a connecting rod is fixedly welded to the top wall of the movable arc-shaped clamping plate, a pointer is fixedly installed on the side wall of the connecting rod, and a graduated scale is fixedly installed on the front side wall of the installation plate. When the device is used, the measurement and detection process is simple and fast to operate, and the working efficiency of bolt groove diameter detection is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of measuring tools, in particular to a detection card plate for measuring bolt groove diameters. Background Art

[0002] Bolt: A mechanical part, a cylindrical threaded fastener equipped with a nut. A type of fastener consisting of a head and a screw (a cylinder with external threads). Bolts are indispensable in daily life and industrial production. Bolts are also called industrial rice. It can be seen that bolts are widely used. Bolts are used in electronic products, mechanical products, digital products, power equipment, electromechanical mechanical products. Bolts are also used in ships, vehicles, water conservancy projects, and even chemical experiments.

[0003] Before bolts leave the factory, in order to ensure product quality, it is usually necessary to inspect the groove diameter of the bolts. The existing measurement method is usually to use a caliper for inspection. Since the ordinary caliper has a short inclination and a small inclination surface, and the groove diameter of the bolt is large, the caliper cannot contact the groove diameter to be measured well, and the size of the groove diameter cannot be measured correctly. The caliper cannot correctly measure the size of the groove diameter, and the measurement accuracy is poor. In this regard, we propose a detection card plate for measuring the bolt groove diameter. Utility Model Content

[0004] The utility model aims to provide a detection card plate for measuring the bolt groove diameter, so as to solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solution: a detection card plate for measuring the bolt groove diameter, comprising:

[0006] The mounting plate, wherein a fixed arc clamping plate is fixedly welded at a position near the bottom end of one side wall of the mounting plate, a movable arc clamping plate is arranged above the fixed arc clamping plate, threads are provided on the side walls opposite to the fixed arc clamping plate and the movable arc clamping plate, a bolt body to be measured is provided between the fixed arc clamping plate and the movable arc clamping plate, a through groove is provided on the mounting plate, a sliding rod is fixedly bonded in the through groove, a moving block is slidably connected to the sliding rod, the moving block is fixedly welded to the movable arc clamping plate, a connecting rod is fixedly welded on the top wall of the movable arc clamping plate, a pointer is fixedly installed on the side wall of the connecting rod, a scale is fixedly installed on the front side wall of the mounting plate, and the pointer movably fits on the front side wall of the scale.

[0007] Preferably, a movable block is fixedly welded to one end of the movable block away from the movable arc-shaped clamping plate, a fixed block is arranged below the movable block, the fixed block is fixedly welded to the side wall of the mounting plate, a tension spring is arranged between the fixed block and the movable block, and both ends of the tension spring are fixedly connected to the fixed block and the movable block respectively.

[0008] Preferably, a grip rod is fixedly mounted on the side wall of the mounting plate below the fixing block.

[0009] Preferably, a push plate is fixedly bonded to the side wall of the movable block.

[0010] Preferably, the thread is matched with a thread groove on a bolt body to be measured.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] When the utility model is in use, the measuring device is held by a hand-grip rod, and the push plate is pushed upward with the thumb to open the movable arc clamping plate and the fixed arc clamping plate, and the stud of the bolt body to be measured is placed on the fixed arc clamping plate, and the push plate is loosened, so that the movable arc clamping plate moves downward and clamps on the stud of the bolt body under the pulling action of the extended tension spring, and then the bolt body is screwed so that the thread groove of the bolt body fits with the threads of the fixed arc clamping plate and the movable arc clamping plate, and the position of the pointer on the scale is observed. If the pointer points to the correct scale position of the scale, the groove diameter of the bolt body meets the requirements. The entire measurement and detection process is simple and fast to operate, and the working efficiency of bolt groove diameter detection is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the three-dimensional structure of a detection card plate for measuring bolt groove diameter proposed by the utility model;

[0014] Figure 2 This is a three-dimensional structural diagram of the connection between the movable block and the moving block in a detection card plate for measuring the bolt groove diameter proposed by the utility model;

[0015] Figure 3 This is a three-dimensional structural diagram of the connection between a movable block and a fixed block in a detection card plate for measuring a bolt groove diameter proposed by the utility model.

[0016] In the figure: 1. mounting plate; 2. fixed arc-shaped clamping plate; 3. movable arc-shaped clamping plate; 4. thread; 5. bolt body; 6. through groove; 7. slide rod; 8. moving block; 9. connecting rod; 10. pointer; 11. scale; 12. fixed block; 13. movable block; 14. tension spring; 15. grip rod; 16. push plate. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-3 The utility model provides a technical solution: a detection card plate for measuring the bolt groove diameter, comprising:

[0019] A mounting plate 1, a fixed arc clamping plate 2 is fixedly welded at a position near the bottom end of one side wall of the mounting plate 1, a movable arc clamping plate 3 is arranged above the fixed arc clamping plate 2, threads 4 are provided on the side walls opposite to the fixed arc clamping plate 2 and the movable arc clamping plate 3, a bolt body 5 to be measured is provided between the fixed arc clamping plate 2 and the movable arc clamping plate 3, a through groove 6 is provided on the mounting plate 1, a sliding rod 7 is fixedly bonded in the through groove 6, a moving block 8 is slidably connected to the sliding rod 7, the moving block 8 is fixedly welded to the movable arc clamping plate 3, a connecting rod 9 is fixedly welded on the top wall of the movable arc clamping plate 3, a pointer 10 is fixedly installed on the side wall of the connecting rod 9, a scale 11 is fixedly installed on the front side wall of the mounting plate 1, and the pointer 10 movably fits on the front side wall of the scale 11.

[0020] A movable block 13 is fixedly welded to one end of the movable block 8 away from the movable arc clamping plate 3, a fixed block 12 is arranged below the movable block 13, the fixed block 12 is fixedly welded to the side wall of the mounting plate 1, a tension spring 14 is arranged between the fixed block 12 and the movable block 13, and the two ends of the tension spring 14 are respectively fixedly connected to the fixed block 12 and the movable block 13, and through the cooperation of the set fixed block 12, the movable block 13 and the tension spring 14, when in use, the tension of the tension spring 14 can act on the movable block 13, thereby driving the fixed arc clamping plate 2 and the movable arc clamping plate 3 to clamp on the measured bolt body 5, thereby improving the accuracy of measurement.

[0021] A gripping rod 15 is fixedly mounted on the side wall of the mounting plate 1 below the fixing block 12 , and the gripping rod 15 is convenient for holding the mounting plate 1 .

[0022] A push plate 16 is fixedly bonded to the side wall of the movable block 13. The push plate 16 is convenient for pushing the push plate 16 upward with the thumb when holding, so that the movable arc clamping plate 3 and the fixed arc clamping plate 2 are opened, which is convenient for taking and placing the bolt body 5 during measurement.

[0023] The thread 4 is matched with the thread groove on the bolt body 5 to be measured.

[0024] Working principle: When the utility model is in use, the measuring device is held by holding the grip 15, and the push plate 16 is pushed upward with the thumb to open the movable arc clamping plate 3 and the fixed arc clamping plate 2, and the stud of the bolt body 5 to be measured is placed on the fixed arc clamping plate 2, and the push plate 16 is loosened, so that the movable arc clamping plate 3 moves downward and is clamped on the stud of the bolt body 5 under the pulling action of the extended tension spring 17, and then the bolt body 5 is screwed so that the thread groove of the bolt body 5 fits with the thread 4 of the fixed arc clamping plate 2 and the movable arc clamping plate 3, and the position of the pointer 10 on the scale 11 is observed. If the pointer 10 points to the correct scale position of the scale 11, the groove diameter of the bolt body 5 meets the requirements. The entire measurement and detection process is simple and fast to operate, which improves the work efficiency of bolt groove diameter detection.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A detection card for measuring bolt groove diameter, characterized in that: include: A mounting plate (1), a fixed arc-shaped clamping plate (2) is fixedly welded at a position near the bottom end of one side wall of the mounting plate (1), a movable arc-shaped clamping plate (3) is arranged above the fixed arc-shaped clamping plate (2), threads (4) are provided on the side walls opposite to the fixed arc-shaped clamping plate (2) and the movable arc-shaped clamping plate (3), a bolt body (5) to be measured is provided between the fixed arc-shaped clamping plate (2) and the movable arc-shaped clamping plate (3), a through groove (6) is provided on the mounting plate (1), A sliding rod (7) is fixedly bonded in the through groove (6), a moving block (8) is slidably connected to the sliding rod (7), the moving block (8) is fixedly welded to the movable arc-shaped clamping plate (3), a connecting rod (9) is fixedly welded to the top wall of the movable arc-shaped clamping plate (3), a pointer (10) is fixedly mounted on the side wall of the connecting rod (9), a scale (11) is fixedly mounted on the front side wall of the mounting plate (1), and the pointer (10) is movably fitted on the front side wall of the scale (11).

2. The detection card for measuring bolt groove diameter according to claim 1, characterized in that: A movable block (13) is fixedly welded to one end of the movable block (8) away from the movable arc-shaped clamping plate (3); a fixed block (12) is arranged below the movable block (13); the fixed block (12) is fixedly welded to the side wall of the mounting plate (1); a tension spring (14) is arranged between the fixed block (12) and the movable block (13); and two ends of the tension spring (14) are fixedly connected to the fixed block (12) and the movable block (13), respectively.

3. The detection card plate for measuring bolt groove diameter according to claim 1, characterized in that: A grip rod (15) is fixedly mounted on the side wall of the mounting plate (1) located below the fixing block (12).

4. The detection card plate for measuring bolt groove diameter according to claim 2, characterized in that: A push plate (16) is fixedly bonded to the side wall of the movable block (13).

5. The detection card plate for measuring bolt groove diameter according to claim 1, characterized in that: The thread (4) is matched with the thread groove on the bolt body (5) to be measured.

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